The world is getting very much more competitive.

What's fascinating . . .is that you could now have a business that might have been selling for $10 billion where the business itself could probably not have borrowed even $100 million. But the owners of that business, because its public, could borrow many billions of dollars on their little pieces of paper- because they had these market valuations. But as a private business, the company itself couldn't borrow even 1/20th of what the individuals could borrow.

Trying to prioritize among things we're unlikely to do is pretty fruitless.

...People need to ask, "How do I play the hand that has been dealt me?" The world is not going to give you extra return just because you want it. You have to be very shrewd and hard working to get a little extra. It's so much easier to reduce your wants. There are a lot of smart people and a lot of them cheat, so it's not easy to win.

Avoid evil, particularly if they're attractive members of the opposite sex.

If (investing) weren't a little difficult, everybody would be rich.

You could argue that [the decline of public schools] is one of the major disasters in our lifetimes. We took one of the greatest successes in the history of the earth and turned it into one of the greatest disasters in the history of the earth.